Vibrator



FIG. 1 is a perspective view of a vibrator with the ornamental design;

FIG. 2 is a front plan view of the vibrator of FIG. 1, with the backplan view being a mirror image thereof;

FIG. 3 is a right side view of the vibrator of FIG. 1; with the leftside being a mirror image thereof;

FIG. 4 is a top view of the vibrator of FIG. 1; and,

FIG. 5 is a bottom view of the vibrator of FIG. 1.

CLAIM The ornamental design for a vibrator, as shown and described.